Lenovo ThinkPad L15 Gen 1 (20U7) vs. LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L15 Gen 1 (20U7) and LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo ThinkPad L15 Gen 1 (20U7) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 1 (20U7) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good enterprise security

solid processor performance

decent battery life

heavy chassis design

mediocre display quality

limited graphics capability

slower SSD speed

LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) Review

Advantages and disadvantages of LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) based on its technical characteristics, features, user experience, expert reviews and price level.

extremely lightweight design

long-lasting battery life

high-resolution display

solid state drive storage

impressive processing speed

limited graphics capabilities

fewer connectivity ports

higher price point

no dedicated GPU

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 1 (20U7) and LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
75 % - Design
64 % - Display
75 % - Performance
85 % - Connectivity
74 % - Battery
83 % - Design
83 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 1 (20U7) vs. LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.65 cm x 25 cm x 2.1 cm 32.34 cm x 20.98 cm x 1.68 cm
Weight 1.98 kg 999 g
Case Material Polycarbonate ABS Magnesium alloy
Colour Black Dark silver
DISPLAY Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Screen Size (Type) 15.6" - IPS 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² -
Colour Gamut 45% NTSC -
Features Anti-glare, 170° viewing angle Reader Mode
PROCESSOR Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
CPU AMD Ryzen 5 Pro 4650U / 2.1 GHz Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz
Max Turbo Speed 4 GHz 3.9 GHz
Number of Cores 6-core -
Cache L3 - 8 MB L3 - 8 MB
64-bit Computing - Yes
Features Integrated memory controller Intel Turbo Boost Technology 2.0, Intel Smart Cache
MEMORY Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
RAM 8 GB (1 x 8 GB) 16 GB (1 x 8 GB + 8 GB (soldered))
Max RAM Supported 64 GB 24 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 2 1
Empty Slots 1 0
STORAGE Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 512 GB SSD - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Plus Graphics
Memory Allocation Technology Shared Video Memory (UMA) -
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 720p Yes - HD
Camera Features IR camera, fixed focus, ThinkShutter camera privacy -
Sound Stereo speakers, dual array microphone Stereo speakers, two microphones
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio DTS:X Ultra
COMMUNICATIONS Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Realtek RTL8852AE - M.2 Card Intel Wi-Fi 6 AX 201
Network Interface Gigabit Ethernet 10/100 Ethernet
Compliant Standards DASH -
Features Dual stream (2x2) -
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Technology Lithium polymer Lithium Ion
Battery Capacity (Size) 45 Wh 72 Wh
Battery Life Up to 15.7 hours Up to 18.5 hours
AC ADAPTER Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 48 Watt
INPUT Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls Scrolling, gesture function, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
HDMI
LAN
Headphone/microphone combo jack
Dock (combined dual USB-C and ethernet side connection)
HDMI
USB-C 3.1 (supports Thunderbolt 3) (Power Delivery)
2 x USB 3.1
Headphone output
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Operating System (OS) Windows 10 Pro 64-bit Edition - English Windows 10 Home 64-bit Edition
Software Included - Microsoft Office (30 days trial), LG Easy Guide, LG Control Center, LG Update Center, LG Reader Mode, LG On Screen Display, LG Troubleshooting
MISCELLANEOUS Lenovo ThinkPad L15 Gen 1 (20U7) LG gram Ultra-Lightweight LG gram Ultra (Lightweight 14Z90N)
Dockable Yes -
Included Accessories USB-C power adapter Power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Fingerprint reader
Security Slot Type Kensington security slot Kensington security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password, RapidCharge Dust-resistant, shock-resistant, pressure-resistant, vibration-resistant
Compliant Standards RoHS MIL-STD 810G
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
TCO Certified TCO Certified Notebooks 8 -
Max Operating Temperature 35 °C -
Min Operating Temperature 5 °C -
Humidity Range Operating 8 - 95% -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - parts and labour - 1 year
Model Number - V.AA75A1
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